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https://github.com/Z3Prover/z3
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This commit is contained in:
Christoph M. Wintersteiger
parent
14e1e247a4
commit
3ffcea0fe4
384
src/ast/ast.cpp
384
src/ast/ast.cpp
File diff suppressed because it is too large
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@ -22,7 +22,7 @@ Revision History:
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#include"for_each_expr.h"
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#include"well_sorted.h"
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goal::precision goal::mk_union(precision p1, precision p2) {
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goal::precision goal::mk_union(precision p1, precision p2) {
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if (p1 == PRECISE) return p2;
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if (p2 == PRECISE) return p1;
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if (p1 != p2) return UNDER_OVER;
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@ -40,24 +40,24 @@ std::ostream & operator<<(std::ostream & out, goal::precision p) {
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}
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goal::goal(ast_manager & m, bool models_enabled, bool core_enabled):
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m_manager(m),
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m_manager(m),
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m_ref_count(0),
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m_depth(0),
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m_depth(0),
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m_models_enabled(models_enabled),
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m_proofs_enabled(m.proofs_enabled()),
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m_core_enabled(core_enabled),
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m_inconsistent(false),
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m_proofs_enabled(m.proofs_enabled()),
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m_core_enabled(core_enabled),
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m_inconsistent(false),
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m_precision(PRECISE) {
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}
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goal::goal(ast_manager & m, bool proofs_enabled, bool models_enabled, bool core_enabled):
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m_manager(m),
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m_manager(m),
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m_ref_count(0),
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m_depth(0),
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m_depth(0),
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m_models_enabled(models_enabled),
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m_proofs_enabled(proofs_enabled),
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m_core_enabled(core_enabled),
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m_inconsistent(false),
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m_proofs_enabled(proofs_enabled),
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m_core_enabled(core_enabled),
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m_inconsistent(false),
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m_precision(PRECISE) {
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SASSERT(!proofs_enabled || m.proofs_enabled());
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}
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@ -65,11 +65,11 @@ goal::goal(ast_manager & m, bool proofs_enabled, bool models_enabled, bool core_
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goal::goal(goal const & src):
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m_manager(src.m()),
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m_ref_count(0),
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m_depth(0),
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m_depth(0),
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m_models_enabled(src.models_enabled()),
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m_proofs_enabled(src.proofs_enabled()),
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m_core_enabled(src.unsat_core_enabled()),
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m_inconsistent(false),
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m_proofs_enabled(src.proofs_enabled()),
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m_core_enabled(src.unsat_core_enabled()),
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m_inconsistent(false),
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m_precision(PRECISE) {
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copy_from(src);
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}
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@ -79,16 +79,16 @@ goal::goal(goal const & src):
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goal::goal(goal const & src, bool):
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m_manager(src.m()),
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m_ref_count(0),
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m_depth(src.m_depth),
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m_depth(src.m_depth),
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m_models_enabled(src.models_enabled()),
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m_proofs_enabled(src.proofs_enabled()),
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m_core_enabled(src.unsat_core_enabled()),
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m_inconsistent(false),
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m_proofs_enabled(src.proofs_enabled()),
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m_core_enabled(src.unsat_core_enabled()),
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m_inconsistent(false),
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m_precision(src.m_precision) {
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}
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goal::~goal() {
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reset_core();
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goal::~goal() {
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reset_core();
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}
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void goal::copy_to(goal & target) const {
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@ -141,7 +141,7 @@ void goal::quick_process(bool save_first, expr * & f, expr_dependency * d) {
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if (!save_first) {
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push_back(f, 0, d);
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}
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return;
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return;
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}
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typedef std::pair<expr *, bool> expr_pol;
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sbuffer<expr_pol, 64> todo;
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@ -173,7 +173,7 @@ void goal::quick_process(bool save_first, expr * & f, expr_dependency * d) {
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todo.push_back(expr_pol(to_app(curr)->get_arg(0), !pol));
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}
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else {
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if (!pol)
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if (!pol)
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curr = m().mk_not(curr);
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if (save_first) {
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f = curr;
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@ -214,9 +214,9 @@ void goal::process_not_or(bool save_first, app * f, proof * pr, expr_dependency
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}
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void goal::slow_process(bool save_first, expr * f, proof * pr, expr_dependency * d, expr_ref & out_f, proof_ref & out_pr) {
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if (m().is_and(f))
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if (m().is_and(f))
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process_and(save_first, to_app(f), pr, d, out_f, out_pr);
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else if (m().is_not(f) && m().is_or(to_app(f)->get_arg(0)))
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else if (m().is_not(f) && m().is_or(to_app(f)->get_arg(0)))
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process_not_or(save_first, to_app(to_app(f)->get_arg(0)), pr, d, out_f, out_pr);
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else if (save_first) {
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out_f = f;
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@ -255,7 +255,7 @@ void goal::get_formulas(ptr_vector<expr> & result) {
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}
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void goal::update(unsigned i, expr * f, proof * pr, expr_dependency * d) {
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// KLM: don't know why this assertion is no longer true
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// KLM: don't know why this assertion is no longer true
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// SASSERT(proofs_enabled() == (pr != 0 && !m().is_undef_proof(pr)));
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if (m_inconsistent)
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return;
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@ -270,7 +270,7 @@ void goal::update(unsigned i, expr * f, proof * pr, expr_dependency * d) {
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else {
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m().set(m_forms, i, out_f);
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m().set(m_proofs, i, out_pr);
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if (unsat_core_enabled())
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if (unsat_core_enabled())
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m().set(m_dependencies, i, d);
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}
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}
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@ -283,7 +283,7 @@ void goal::update(unsigned i, expr * f, proof * pr, expr_dependency * d) {
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}
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else {
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m().set(m_forms, i, f);
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if (unsat_core_enabled())
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if (unsat_core_enabled())
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m().set(m_dependencies, i, d);
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}
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}
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@ -303,9 +303,9 @@ void goal::reset_all() {
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m_precision = PRECISE;
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}
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void goal::reset() {
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reset_core();
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m_inconsistent = false;
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void goal::reset() {
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reset_core();
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m_inconsistent = false;
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}
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void goal::display(ast_printer & prn, std::ostream & out) const {
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@ -573,7 +573,7 @@ void goal::elim_redundancies() {
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expr_dependency_ref d(m());
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if (unsat_core_enabled())
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d = m().mk_join(dep(get_idx(atom)), dep(i));
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push_back(m().mk_false(), p, d);
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push_back(m().mk_false(), p, d);
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return;
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}
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neg_lits.mark(atom);
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@ -627,10 +627,10 @@ goal * goal::translate(ast_translation & translator) const {
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ast_manager & m_to = translator.to();
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goal * res = alloc(goal, m_to, m_to.proofs_enabled() && proofs_enabled(), models_enabled(), unsat_core_enabled());
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unsigned sz = m().size(m_forms);
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for (unsigned i = 0; i < sz; i++) {
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res->m().push_back(res->m_forms, translator(m().get(m_forms, i)));
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res->m().push_back(res->m_forms, translator(m().get(m_forms, i)));
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if (res->proofs_enabled())
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res->m().push_back(res->m_proofs, translator(m().get(m_proofs, i)));
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if (res->unsat_core_enabled())
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@ -645,15 +645,15 @@ goal * goal::translate(ast_translation & translator) const {
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}
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bool goal::sat_preserved() const {
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return prec() == PRECISE || prec() == UNDER;
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bool goal::sat_preserved() const {
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return prec() == PRECISE || prec() == UNDER;
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}
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bool goal::unsat_preserved() const {
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return prec() == PRECISE || prec() == OVER;
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}
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bool goal::is_decided_sat() const {
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bool goal::is_decided_sat() const {
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return size() == 0 && sat_preserved();
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}
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@ -661,7 +661,7 @@ bool goal::is_decided_unsat() const {
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return inconsistent() && unsat_preserved();
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}
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bool goal::is_decided() const {
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bool goal::is_decided() const {
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return is_decided_sat() || is_decided_unsat();
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}
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